This way the backlight can be referenced through its device node and enabling/disabling can be managed through the panel driver. Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> --- drivers/video/backlight/rave-sp-backlight.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/video/backlight/rave-sp-backlight.c b/drivers/video/backlight/rave-sp-backlight.c index 462f14a1b19d..05b5f003a3d1 100644 --- a/drivers/video/backlight/rave-sp-backlight.c +++ b/drivers/video/backlight/rave-sp-backlight.c @@ -48,14 +48,20 @@ static int rave_sp_backlight_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct backlight_device *bd; - bd = devm_backlight_device_register(dev, pdev->name, dev->parent, + bd = devm_backlight_device_register(dev, pdev->name, dev, dev_get_drvdata(dev->parent), &rave_sp_backlight_ops, &rave_sp_backlight_props); if (IS_ERR(bd)) return PTR_ERR(bd); - backlight_update_status(bd); + /* + * If there is a phandle pointing to the device node we can + * assume that another device will manage the status changes. + * If not we make sure the backlight is in a consistent state. + */ + if (!dev->of_node->phandle) + backlight_update_status(bd); return 0; } -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
